Study to Assess the Safety and Immunogenicity of GSK Meningococcal Group B Vaccine When Administered Concomitantly With GSK Meningococcal MenACWY Conjugate Vaccine in Healthy Subjects of 16-18 Years of Age

March 28, 2024 updated by: GlaxoSmithKline

A Phase IIIB, Randomized, Observer-blind, Multicenter Study to Assess the Safety and Immunogenicity of GSK's Meningococcal Group B Vaccine When Administered Concomitantly With GSK's Meningococcal MenACWY Conjugate Vaccine to Healthy Subjects of 16-18 Years of Age

The purpose of this study is to evaluate the immunogenicity, safety and tolerability of rMenB+OMV NZ and MenACWY vaccines when concomitantly administered to healthy subjects 16-18 years of age.

Study Overview

Detailed Description

As per the recommendation from Center for Biologics Evaluation and Research (CBER) the study has been amended to include a new "agar-overlay" serum bactericidal assay using human serum complement (hSBA). Additional changes include validation of the MenB manual to measure immunogenicity of the meningococcal group B vaccine, a modification in the definition of 4-fold increase in post-vaccination hSBA titer definition when the pre-vaccination titer is below the limit of detection, and a modification in the population set to be used for safety analysis wherein the exposed set is to be used for all safety analyses.

Study Type

Interventional

Enrollment (Actual)

943

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Liguria
      • Chiavari, Liguria, Italy, 16043
        • GSK Investigational Site
    • Lombardia
      • Milano, Lombardia, Italy, 20122
        • GSK Investigational Site
      • Milano, Lombardia, Italy, 20162
        • GSK Investigational Site
    • Puglia
      • Foggia, Puglia, Italy, 71122
        • GSK Investigational Site
    • Arizona
      • Tempe, Arizona, United States, 85238
        • GSK Investigational Site
    • California
      • Bell Gardens, California, United States, 90201
        • GSK Investigational Site
      • Los Angeles, California, United States, 90027
        • GSK Investigational Site
      • Oakland, California, United States, 94611
        • GSK Investigational Site
      • Roseville, California, United States, 95661
        • GSK Investigational Site
      • Sacramento, California, United States, 95815
        • GSK Investigational Site
      • San Jose, California, United States, 95119
        • GSK Investigational Site
      • Santa Clara, California, United States, 95051
        • GSK Investigational Site
      • Walnut Creek, California, United States, 94596
        • GSK Investigational Site
    • Florida
      • Loxahatchee Groves, Florida, United States, 33470
        • GSK Investigational Site
    • Idaho
      • Boise, Idaho, United States, 83702
        • GSK Investigational Site
      • Nampa, Idaho, United States, 83686
        • GSK Investigational Site
      • Nampa, Idaho, United States, 83687
        • GSK Investigational Site
    • Indiana
      • Evansville, Indiana, United States, 47715
        • GSK Investigational Site
    • Kentucky
      • Bardstown, Kentucky, United States, 40004
        • GSK Investigational Site
      • Louisville, Kentucky, United States, 40291
        • GSK Investigational Site
    • Louisiana
      • Lafayette, Louisiana, United States, 70508
        • GSK Investigational Site
    • Nebraska
      • Lincoln, Nebraska, United States, 68505
        • GSK Investigational Site
      • Lincoln, Nebraska, United States, 68526
        • GSK Investigational Site
      • Lincoln, Nebraska, United States, 68516
        • GSK Investigational Site
      • Lincoln, Nebraska, United States, 68504
        • GSK Investigational Site
    • New York
      • Cortland, New York, United States, 13045
        • GSK Investigational Site
    • North Carolina
      • Charlotte, North Carolina, United States, 28226
        • GSK Investigational Site
      • Winston-Salem, North Carolina, United States, 27103
        • GSK Investigational Site
    • Oregon
      • Corvallis, Oregon, United States, 97330
        • GSK Investigational Site
    • Pennsylvania
      • Erie, Pennsylvania, United States, 16508
        • GSK Investigational Site
      • Hermitage, Pennsylvania, United States, 16148
        • GSK Investigational Site
      • Jefferson Hills, Pennsylvania, United States, 15025
        • GSK Investigational Site
      • Pittsburgh, Pennsylvania, United States, 15213
        • GSK Investigational Site
      • Pittsburgh, Pennsylvania, United States, 15217
        • GSK Investigational Site
      • Pittsburgh, Pennsylvania, United States, 15234
        • GSK Investigational Site
    • South Carolina
      • Charleston, South Carolina, United States, 29414
        • GSK Investigational Site
    • South Dakota
      • Sioux Falls, South Dakota, United States, 57108
        • GSK Investigational Site
    • Texas
      • Austin, Texas, United States, 78726
        • GSK Investigational Site
      • Carrollton, Texas, United States, 75010
        • GSK Investigational Site
      • Cedar Park, Texas, United States, 78613
        • GSK Investigational Site
      • Dallas, Texas, United States, 75251
        • GSK Investigational Site
      • Dallas, Texas, United States, 75230-2571
        • GSK Investigational Site
      • Pearland, Texas, United States, 77584
        • GSK Investigational Site
      • Plano, Texas, United States, 75093
        • GSK Investigational Site
      • Plano, Texas, United States, 75024
        • GSK Investigational Site
      • Victoria, Texas, United States, 77901
        • GSK Investigational Site
      • Waxahachie, Texas, United States, 75165
        • GSK Investigational Site
    • Utah
      • Orem, Utah, United States, 84057
        • GSK Investigational Site
      • Salt Lake City, Utah, United States, 84107
        • GSK Investigational Site
      • South Jordan, Utah, United States, 84095
        • GSK Investigational Site
      • Syracuse, Utah, United States, 84075
        • GSK Investigational Site
    • Virginia
      • Falls Church, Virginia, United States, 22044
        • GSK Investigational Site
      • Richmond, Virginia, United States, 23294
        • GSK Investigational Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years to 18 years (Child, Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol or/and subjects' parent(s)/Legally Acceptable Representative(s) [LAR(s)] who, in the opinion of the investigator, can and will comply, with the requirements of the protocol.
  • Previous vaccination with 1 dose of quadrivalent meningococcal conjugate vaccine (MenACWY, Menveo or Menactra) at least 4 years prior to informed consent and assent as applicable.
  • Written or /witnessed/thumb printed informed consent obtained from the subject/parent(s)/LAR(s) of the subject prior to performance of any study specific procedure.
  • Written informed assent obtained from the subject (if applicable) along with informed consent from the subject's parent(s)/LAR(s) prior to performing any study specific procedure.
  • A male or female between, and including, 16 and 18 years of age at the time of the first vaccination.
  • Healthy subjects as established by medical history and clinical examination before entering into the study.
  • Female subjects of non-childbearing potential may be enrolled in the study. Non-childbearing potential is defined as pre-menarche, current bilateral tubal ligation or occlusion, hysterectomy, bilateral ovariectomy or post-menopause.
  • Female subjects of childbearing potential may be enrolled in the study, if the subject:

    • has practiced adequate contraception for 30 days prior to vaccination, and
    • has a negative pregnancy test on the day of vaccination, and
    • has agreed to continue adequate contraception during the entire treatment period and for 2 months after completion of the vaccination series.

Exclusion Criteria:

Medical conditions

  • Progressive, unstable or uncontrolled clinical conditions.
  • Clinical conditions representing a contraindication to intramuscular vaccination and blood draws.
  • Abnormal function of the immune system resulting from:

    • Clinical conditions.
    • Systemic administration of corticosteroids (PO/IV/IM) for more than 14 consecutive days within 90 days prior to study vaccination. This will mean prednisone ≥ 20 mg/day (for adult subjects) or ≥ 0.5 mg/kg/day or 20 mg/day whichever is the maximum dose for paediatric subjects, or equivalent. Inhaled and topical steroids are allowed.
    • Administration of antineoplastic or immunomodulating agents or radiotherapy within 90 days prior to informed consent.
  • Any other clinical condition that, in the opinion of the investigator, might pose additional risk to the subject due to participation in the study.
  • History of any reaction or hypersensitivity likely to be exacerbated by any component of the vaccines.
  • History of any reaction or hypersensitivity likely to be exacerbated by any medicinal products or medical equipment whose use is foreseen in this study.
  • Current or previous, confirmed or suspected disease caused by N. meningitidis.
  • Known contact to an individual with any laboratory-confirmed N. meningitidis infection within 60 days, prior to enrolment.
  • History of neuroinflammatory or autoimmune condition.
  • Recurrent history or un-controlled neurological disorders or seizures.

Prior/Concomitant therapy

  • Use of any investigational or non-registered product other than the study vaccine(s) during the period starting 30 days before the informed consent or planned use during the study period.
  • Administration of immunoglobulins and/or any blood products or plasma derivatives during the period starting 180 days before the informed consent or planned administration during the study period.
  • Previous vaccination with any group B meningococcal vaccine at any time prior to informed consent and assent as applicable.
  • Previous vaccination with 2 doses of quadrivalent meningococcal conjugate vaccine (MenACWY, Menveo, Menactra or MenQuadfi).

Prior/Concurrent clinical study experience

• Subject concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational vaccine/product, will not be enrolled.

Other exclusions

  • Child in care.
  • Pregnant or lactating female.
  • Female planning to become pregnant or planning to discontinue contraceptive precautions.
  • Any study personnel or immediate dependents, family, or household member.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: MenB+MenACWY Group
Subjects will receive 1 dose rMenB+OMV NZ given concomitantly with MenACWY at Day 1, 1 dose of rMenB+OMV NZ at Day 61 and 1 dose of placebo at Day 91.
rMenB+OMV will be administered intramuscularly as 1 dose each at day 1 and 61 to subjects in MenB+MenACWY group and MenB group and as 1 dose at day 91 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Bexsero
MenACWY will be administered intramuscularly as 1 dose at day 1 to subjects in MenB+MenACWY group, 1 dose at day 91 for MenB group and as 1 dose at day 1 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Menveo
Placebo will be administered intramuscularly as 1 dose at day 91 to subjects in MenB+MenACWY group, 1 dose at day 1 to subjects in MenB group and MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • NaCl, saline solution
Experimental: MenB Group
Subjects will receive 1 dose of rMenB+OMV NZ and placebo concomitantly at Day 1, 1 dose of rMenB+OMV NZ at Day 61 and 1 dose of MenACWY at Day 91.
rMenB+OMV will be administered intramuscularly as 1 dose each at day 1 and 61 to subjects in MenB+MenACWY group and MenB group and as 1 dose at day 91 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Bexsero
MenACWY will be administered intramuscularly as 1 dose at day 1 to subjects in MenB+MenACWY group, 1 dose at day 91 for MenB group and as 1 dose at day 1 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Menveo
Placebo will be administered intramuscularly as 1 dose at day 91 to subjects in MenB+MenACWY group, 1 dose at day 1 to subjects in MenB group and MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • NaCl, saline solution
Experimental: MenACWY Group
Subjects will receive 1 dose of MenACWY and placebo concomitantly at Day 1, 1 dose of rMenB+OMV NZ each at Day 61 and at Day 91.
rMenB+OMV will be administered intramuscularly as 1 dose each at day 1 and 61 to subjects in MenB+MenACWY group and MenB group and as 1 dose at day 91 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Bexsero
MenACWY will be administered intramuscularly as 1 dose at day 1 to subjects in MenB+MenACWY group, 1 dose at day 91 for MenB group and as 1 dose at day 1 to subjects in MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • Menveo
Placebo will be administered intramuscularly as 1 dose at day 91 to subjects in MenB+MenACWY group, 1 dose at day 1 to subjects in MenB group and MenACWY group, to the deltoid region of the non-dominant arm.
Other Names:
  • NaCl, saline solution

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Percentage of subjects with solicited local adverse events (AEs)
Time Frame: During the 7 days (including day of vaccination) after each vaccination (Administered on day 1, day 61 and day 91)
An adverse event is any untoward medical occurrence in a patient or clinical investigation subject, temporally associated with the use of a medicinal product, whether or not considered related to the medicinal product. Solicited local adverse events assessed are injection site pain, erythema, swelling, induration. Any erythema, swelling and swelling is defined as a symptom with a surface diameter equal or greater than 25 millimeters.
During the 7 days (including day of vaccination) after each vaccination (Administered on day 1, day 61 and day 91)
Percentage of subjects with solicited systemic adverse events
Time Frame: During the 7 days (including day of vaccination)after each vaccination (Administered on day 1, day 61 and day 91)
Solicited systemic adverse events assessed are (i.e., fever [temperature ≥ 38.0°C/100.4°F], nausea, fatigue, myalgia, arthralgia, headache).
During the 7 days (including day of vaccination)after each vaccination (Administered on day 1, day 61 and day 91)
Percentage of subjects with any unsolicited adverse events, Serious Adverse Events (SAEs), AEs leading to withdrawal and medically attended AEs
Time Frame: During the 30 days (including day of vaccination) after each vaccination (Administered at Day 1, Day 61 and Day 91)

Unsolicited adverse events are defined as any AE reported in addition to those solicited during the clinical study. Also, any 'solicited' symptom with onset outside the specified period of follow-up for solicited symptoms are reported as an unsolicited adverse event.

Any solicited AE that has not resolved within 30 days post vaccination and is reported during clinic visits or safety follow-up calls is entered into the subject's electronic Case Report Form (eCRF) as an unsolicited AE.

SAEs are any untoward medical occurrence that result in death, are life-threatening, require hospitalization or prolongation of existing hospitalization, result in disability/incapacity and is a congenital anomaly/birth defect in the offspring of a study subject Medically attended AEs are symptoms or illnesses requiring hospitalization, or emergency room visit, or visit to/by a health care provider.

During the 30 days (including day of vaccination) after each vaccination (Administered at Day 1, Day 61 and Day 91)
Percentage of subjects with any SAEs, AEs leading to withdrawal and medically attended AEs.
Time Frame: Throughout the study period (Day 1 to Day 271)
Serious adverse events, AEs leading to withdrawal and medically attended AEs throughout the study period are assessed.
Throughout the study period (Day 1 to Day 271)
Percentage of subjects with adverse events of special interest (AESI)
Time Frame: Throughout the study period (Day 1- Day 271)
AESIs are predefined (serious or non-serious) adverse events of scientific and medical concern specific to the product or program, for which ongoing monitoring and rapid communication by the investigator to the sponsor can be appropriate, because such an event might warrant further investigation in order to characterize and understand it.
Throughout the study period (Day 1- Day 271)
Percentage of subjects with any SAEs, AEs leading to withdrawal
Time Frame: During safety follow-up (Day 271 to Day 451)
SAEs are any untoward medical occurrence that result in death, are life-threatening, require hospitalization or prolongation of existing hospitalization, result in disability/incapacity and is a congenital anomaly/birth defect in the offspring of a study subject.
During safety follow-up (Day 271 to Day 451)
Percentage of subjects with AESI
Time Frame: During safety follow-up (Day 271 to Day 451)
AESIs are predefined (serious or non-serious) adverse events of scientific and medical concern specific to the product or program, for which ongoing monitoring and rapid communication by the investigator to the sponsor can be appropriate, because such an event might warrant further investigation in order to characterize and understand it.
During safety follow-up (Day 271 to Day 451)
Human Serum Bactericidal Assay Geometric Mean Titers (GMTs) against each of the N. meningitidis serogroup B strains after the second vaccination with rMenB+OMV NZ
Time Frame: At 1 month after the second vaccination with rMenB+OMV NZ in MenB+MenACWY and MenB groups (i.e. at Day 91).
Immune responses to rMenB+OMV NZ given with or without MenACWY, as measured by serum bactericidal assay using human complement (hSBA), are expressed as Geometric Mean Titers (GMTs) against N. meningitidis serogroup B indicator strains (M14459, 96217, NZ98/254 and M07-0241084).
At 1 month after the second vaccination with rMenB+OMV NZ in MenB+MenACWY and MenB groups (i.e. at Day 91).
hSBA GMTs against each of the N. meningitidis serogroups A, C, W and Y after vaccination with MenACWY
Time Frame: At 1 month after the vaccination with MenACWY in MenACWY and MenB+MenACWY groups (i.e. at Day 31).
Immune responses to MenACWY given with or without rMenB+OMV NZ, as measured by serum bactericidal assay using human complement (hSBA) are expressed as Geometric Mean Titers (GMTs) against each of the 4 serogroups A, C, W and Y
At 1 month after the vaccination with MenACWY in MenACWY and MenB+MenACWY groups (i.e. at Day 31).

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
hSBA Geometric Mean Concentrations (GMCs) measured by ELISA against each of the N. meningitidis serogroups after MenACWY vaccination.
Time Frame: At 1 month after the vaccination of MenACWY in MenACWY and MenB+MenACWY groups (i.e. at Day 31).
Immune response to MenACWY given with or without rMenB+OMV NZ, as measured by Enzyme-Linked Immunosorbent Assay (ELISA) GMCs against each of the serogroups A, C, W and Y.
At 1 month after the vaccination of MenACWY in MenACWY and MenB+MenACWY groups (i.e. at Day 31).
hSBA GMTs against each of the serogroup B strains in both MenB+MenACWY and MenB Groups after first rMenB+OMV NZ vaccination.
Time Frame: At 1 month after first vaccination with rMenB+OMV NZ (i.e. at Day 31).
Immune response to rMenB+OMV NZ given with or without MenACWY, as measured by bactericidal activity against N. meningitidis serogroup B indicator strains (M14459, 96217, NZ98/254 and M07-0241084) and expressed in GMTs.
At 1 month after first vaccination with rMenB+OMV NZ (i.e. at Day 31).
Geometric mean ratios (GMRs) against each of the N. meningitidis serogroup B strains in both MenB+MenACWY and MenB Groups after the first rMenB+OMV NZ dose.
Time Frame: At 1 month after first rMenB+OMV NZ vaccination (i.e.at Day 31) compared to the baseline (Day 1).
Immune response to rMenB+OMV NZ given with or without MenACWY as measured by bactericidal activity against N. meningitidis serogroup B indicator strains (M14459, 96217, NZ98/254 and M07-0241084) in terms of GMRs at one month after the first rMenB+OMV NZ vaccination compared to the baseline at Day 1/Month 0.
At 1 month after first rMenB+OMV NZ vaccination (i.e.at Day 31) compared to the baseline (Day 1).
Geometric mean ratios (GMRs) against each of the N. meningitidis serogroup B strains in both MenB+MenACWY and MenB Groups after the second rMenB+OMV NZ dose
Time Frame: At 1 month after the second rMenB+OMV NZ vaccination (i.e. at Day 91) compared to the baseline (Day 1)
Immune response to rMenB+OMV NZ given with or without MenACWY, as measured by bactericidal activity against N. meningitidis serogroup B indicator strains (M14459, 96217, NZ98/254 and M07-0241084) in terms of GMRs at one month after the second rMenB+OMV NZ vaccination compared to the baseline at Day 1/Month 0.
At 1 month after the second rMenB+OMV NZ vaccination (i.e. at Day 91) compared to the baseline (Day 1)
Percentage of subjects with hSBA titers ≥ lower limit of quantitation (LLOQ) for each of the serogroup B test strains in both MenB+MenACWY and MenB Groups after the first rMenB+OMV NZ dose.
Time Frame: At one month after the first rMenB+OMV NZ vaccination (i.e. Day 31).
The immune response to rMenB+OMV NZ vaccine is evaluated by measuring bactericidal activity in terms of subjects with hSBA titers ≥ LLOQ against N. meningitidis serogroup B test strains
At one month after the first rMenB+OMV NZ vaccination (i.e. Day 31).
Percentage of subjects with hSBA titers ≥ lower limit of quantitation (LLOQ) for each of the serogroup B test strains in both MenB+MenACWY and MenB Groups after the second rMenB+OMV NZ dose.
Time Frame: At 1 month after the second rMenB+OMV NZ vaccination (i.e. at Day 91).
The immune response to rMenB+OMV NZ vaccine is evaluated by measuring bactericidal activity in terms of subjects with hSBA titers ≥ LLOQ against N. meningitidis serogroup B test strains.
At 1 month after the second rMenB+OMV NZ vaccination (i.e. at Day 91).
Percentage of subjects with 4-fold increase in hSBA titers relative to baseline in both MenB+MenACWY and MenB Groups after the first rMenB+OMV NZ dose
Time Frame: At 1 month after the first rMenB+OMV NZ vaccination (i.e at Day 31) relative to baseline (i.e. Day 1).
The immune response to rMenB+OMV NZ vaccine is evaluated by measuring bactericidal activity against each of N. meningitidis serogroup B test strains in terms of the Four-fold increase defined as: - For a pre-vaccination titer < limit of detection (LOD), a post-vaccination titer of ≥ 4-fold the LOD or ≥ LLOQ, whichever is greater, - For a pre-vaccination titer ≥LOD but <LLOQ, a post vaccination titer of at least 4-fold the LLOQ, - For a pre-vaccination titer ≥ LLOQ, a post vaccination titer of at least 4-fold the pre-vaccination titer
At 1 month after the first rMenB+OMV NZ vaccination (i.e at Day 31) relative to baseline (i.e. Day 1).
Percentage of subjects with 4-fold increase in hSBA titers relative to baseline in both MenB+MenACWY and MenB Groups after the second rMenB+OMV NZ dose
Time Frame: At 1 month after the second rMenB+OMV vaccination (i.e at Day 91) relative to baseline (i.e. Day 1).
The immune response to rMenB+OMV NZ vaccine is evaluated by measuring bactericidal activity against each of the N. meningitidis serogroup B test strains in terms of the Four-fold increase defined as: - For a pre-vaccination titer < limit of detection (LOD), a post-vaccination titer of ≥ 4-fold the LOD or ≥ LLOQ, whichever is greater, - For a pre-vaccination titer ≥LOD but <LLOQ, a post vaccination titer of at least 4-fold the LLOQ, - For a pre-vaccination titer ≥ LLOQ, a post vaccination titer of at least 4-fold the pre-vaccination titer.
At 1 month after the second rMenB+OMV vaccination (i.e at Day 91) relative to baseline (i.e. Day 1).
Percentage of subjects with hSBA titers ≥ lower limit of quantitation (LLOQ) for each of the serogroup A, C, W and Y in both MenB+MenACWY and MenACWY Groups after MenACWY vaccination
Time Frame: At one month after the MenACWY vaccination (i.e. Day 31).
The immune response to MenACWY vaccines is expressed in terms of percentage of subjects with hSBA titers ≥ lower limit of quantitation (LLOQ) for each of the serogroup A, C, W and Y
At one month after the MenACWY vaccination (i.e. Day 31).
Geometric mean ratios (GMRs) against each of the N. meningitidis serogroup A, C, W and Y in both MenB+MenACWY and MenACWY Groups after MenACWY vaccination.
Time Frame: At 1 month after MenACWY vaccination (i.e.at Day 31) compared to the baseline (Day 1).
Immune response to MenACWY given with or without rMenB+OMV NZ as measured by bactericidal activity against the four serogroups A, C, W and Y in terms of GMRs at one month after MenACWY vaccination compared to the baseline at Day 1/Month 0.
At 1 month after MenACWY vaccination (i.e.at Day 31) compared to the baseline (Day 1).
Percentage of subjects with 4-fold increase in hSBA titers relative to baseline in both MenB+MenACWY and MenACWY Groups after MenACWY vaccination
Time Frame: At 1 month after MenACWY vaccination (i.e at Day 31) relative to baseline (i.e. Day 1).
The immune response to MenACWY vaccine is evaluated by measuring for the four serogroups A, C, W and Y, the Four-fold increase defined as: - For a pre-vaccination titer < limit of detection (LOD), a post-vaccination titer of ≥ 4-fold the LOD or ≥ LLOQ, whichever is greater, - For a pre-vaccination titer ≥LOD but <LLOQ, a post vaccination titer of at least 4-fold the LLOQ, - For a pre-vaccination titer ≥ LLOQ, a post vaccination titer of at least 4-fold the pre-vaccination titer
At 1 month after MenACWY vaccination (i.e at Day 31) relative to baseline (i.e. Day 1).

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Study Director: GSK Clinical Trials, GlaxoSmithKline

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

August 25, 2020

Primary Completion (Actual)

November 21, 2023

Study Completion (Estimated)

July 21, 2024

Study Registration Dates

First Submitted

March 20, 2020

First Submitted That Met QC Criteria

March 20, 2020

First Posted (Actual)

March 24, 2020

Study Record Updates

Last Update Posted (Actual)

March 29, 2024

Last Update Submitted That Met QC Criteria

March 28, 2024

Last Verified

March 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

IPD for this study will be made available via the Clinical Study Data Request site.

IPD Sharing Time Frame

IPD will be made available within 6 months of publishing the results of the primary endpoints, key secondary endpoints and safety data of the study.

IPD Sharing Access Criteria

Access is provided after a research proposal is submitted and has received approval from the Independent Review Panel and after a Data Sharing Agreement is in place. Access is provided for an initial period of 12 months but an extension can be granted, when justified, for up to another 12 months.

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF
  • CSR

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

Yes

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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